Bell Ringer Choose 5 vocabulary terms from your list and use them in complete sentences. Write these...
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Transcript of Bell Ringer Choose 5 vocabulary terms from your list and use them in complete sentences. Write these...
Bell Ringer
• Choose 5 vocabulary terms from your list and use them in complete sentences. Write these on a sheet of paper and save to turn in on Friday.
Classification
Recap from Yesterday
• What are favorable traits? Unfavorable traits?• What is natural selection?• What are adaptations?
Evolution in the Marine Environment
• What is a species?• How do new species arise?• Rate of evolutionary change
Evolution in the Marine Environment
• All major animal phyla are found in the sea• At least 80% of all phyla include marine
species• More ways to “make a living” in the ocean
Evolution in the Marine Environment
• Since physical conditions are relatively uniform, large animals tend to look the same.– Similar conditions tend to result in similar looking
organisms– Traits are independently selected– Convergent evolution
“The environment isn’t right for the organisms; rather, the organisms are right for the environment.”
Classification of Oceanic Life
• Taxonomy• Artificial System of Classification– Aristotle proposed grouping organisms based on
external similarities
Classification of Oceanic Life
• Natural System of Classification• It’s what’s in use today. Why?– Common underlying natural origin
Classification of Oceanic Life
• Linnaeus – 3 kingdoms: animal, vegetable, & mineral
• Dropped mineral & expanded the others into 6
• Linnaeus’ system was based on hierarchy
Classification of Oceanic Life
• Linnaeus perfect the naming technique using scientific name.
Let’s Review!